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Alternatives

10 best Sidegent alternatives

Tools that cover the same task as Sidegent (interactive ai agent development lessons), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 9, 2026.

Sidegent starts at
$19/mo
Free plan
Free plan
API
API unknown
  1. 01

    Codefinity

    Codefinity is an online coding and AI skills platform with hundreds of courses, projects, challenges, and certificates spanning Python, web development, and leading AI tools like ChatGPT, Claude, Gemini, and Copilot. Learners practice inside a browser-based code runner with structured tracks for career-focused upskilling.

    • From $12/mo
    • Free tier unknown
    • API unknown

    Best for: Students and professionals building AI, data, and programming skills through guided courses and projects.

  2. 02

    Pre.dev

    pre.dev is a long-horizon coding agent that plans, builds, and verifies software over extended runs in the browser or terminal. It connects to many SaaS tools, publishes previews, and sells separate RL coding tasks to AI labs through pre.dev Labs.

    • From $10/mo
    • Free plan
    • API available

    Best for: Developers and teams who want an autonomous coding agent with planning, verification, integrations, and optional enterprise RL task sourcing.

  3. 03

    Devin

    Devin is Cognition’s autonomous software engineering agent that runs in the cloud or locally, tests in its own browser, and works toward merge-ready pull requests. Plans span individual coding quotas through team collaboration with Devin Cloud, DeepWiki, and enterprise controls.

    • From $20/mo
    • Free plan
    • API available

    Best for: Engineers and teams that want parallel cloud agents for implementation, review, and repo maintenance.

  4. 04

    Muse Code

    Muse Code is Meta’s terminal coding agent powered by Muse Spark. Its official page describes coordinated agents, auditable actions and multimodal coding work, with installation available for macOS and Windows.

    • From $5/mo
    • Free tier unknown
    • API available

    Best for: For developers who want a terminal coding workflow and can review agent actions and generated changes.

  5. 05

    Shape

    Shape puts live-page visual design, source editing, agent chat and Git in a desktop IDE. Users inspect elements, apply design changes back to code and review diffs, checks, pull requests and individual hunks.

    • From $15/mo
    • Free plan
    • API available

    Best for: Relevant to builders who want visual source changes and code review in one workspace.

  6. 06

    BigDevSoon

    BigDevSoon teaches frontend development by building 21+ real-world projects with AI code generation, instant feedback, 100 daily challenges, and 40+ practice problems. Paid tiers add BigTokens for prototypes, CV tools, and AI project roasting with optional lifetime access.

    • From $5.33/mo
    • Free tier unknown
    • API unknown

    Best for: Developers learning frontend skills through project-based practice and AI-assisted coding feedback.

  7. 07

    GitHub Copilot

    GitHub Copilot is GitHub's AI coding agent suite spanning IDE completion, chat, agent mode, code review, CLI, and cloud agents. Individual plans meter GitHub AI Credits for chat and agent usage while Free offers limited access and paid tiers raise credit allotments.

    • From $10/mo
    • Free plan
    • API unknown

    Best for: Developers who want Copilot embedded in GitHub workflows from local IDE assistance through cloud agents.

  8. 08

    Pervaziv AI

    Pervaziv AI offers Cortex, a secure AI coding and DevSecOps suite for multi-cloud application development, deployment, and runtime protection. The platform combines coding agents, developer tooling plugins, and AI security reviews with tiered per-user subscriptions.

    • From $20/mo
    • Free plan
    • API unknown

    Best for: Development and security teams adopting AI coding assistants inside JetBrains, VS Code, and GitHub workflows with governance controls.

  9. 09

    cmux

    cmux is a free, open-source macOS terminal built on Ghostty for multitasking with AI coding agents. It adds vertical tabs, split panes, notification rings, an in-app browser, and optional cloud VMs on paid plans for remote agent sandboxes.

    • From $50/mo
    • Free plan
    • API available

    Best for: Mac developers running Claude Code, Codex, Gemini CLI, or other terminal agents who want organized workspaces and optional cloud VMs.

  10. 10

    Coderblock

    Coderblock builds web applications from conversational instructions and templates, with generated code, backend storage, authentication and deployment workflows. It also offers AI media generation and agent teams on paid plans.

    • From $25/mo
    • Free plan
    • API unknown

    Best for: Useful for founders building an initial web application who want code and backend services in a shared workflow.

Sidegent alternatives: common questions

What is the best free alternative to Sidegent?

Pre.dev has an ongoing free plan. Free plan includes 20 credits, browser and terminal agents, and seven-day published apps with no credit card required. Free plans change, so check the vendor before relying on one.

What is the cheapest Sidegent alternative?

Muse Code has the lowest listed starting price at $5/mo, compared with $19/mo for Sidegent.

Which Sidegent alternatives have an API?

Pre.dev, Devin, Muse Code, Shape, cmux mention API or developer access.